tricuspidadj.n.
/trʌɪˈkʌspɪd/, U.S. /traɪˈkəspəd/ Having three cusps or points.
a. tricuspid valve n. (also tricuspid valves) Anatomy the valve consisting of three triangular segments (or, as otherwise regarded, the set of three triangular valves) which guards the opening from the right auricle into the right ventricle of the heart. Also absol. or as n.; hence attributive, as tricuspid murmur, tricuspid obstruction, tricuspid opening, tricuspid regurgitation, etc.
ΘΚΠ
the world > life > the body > vascular system > heart > [noun] > valve
valve1615
portal1666
tricuspid valve1671
mitral valve1696
mitral1835
the world > life > the body > vascular system > heart > [adjective] > valve
portal1615
mitral1853
tricuspid valve1877
pulmonary1900
valvar1955
1671 Philos. Trans. (Royal Soc.) 6 2097 We did also observe two Ventricles with the tricuspid [and] sigmoid-valves.
1834 J. Forbes tr. R. T. H. Laennec Treat. Dis. Chest (ed. 4) 547 In hypertrophy of the right ventricle..the thickening..is always a little greater in the vicinity of the tricuspid valves.
1872 T. H. Huxley Lessons Elem. Physiol. (ed. 6) ii. 36 On the right side there are..three of these broad pointed membranes, whence the whole apparatus is called the tricuspid valve.
1877 F. T. Roberts Handbk. Med. (ed. 3) II. 10 Said to accompany tricuspid obstruction.
1877 F. T. Roberts Handbk. Med. (ed. 3) II. 43 Tricuspid Regurgitation.
1898 T. C. Allbutt et al. Syst. Med. V. 786 Valvular incompetence..at the tricuspid opening.
1898 T. C. Allbutt et al. Syst. Med. V. 869 We may notice occasionally..a tricuspid systolic murmur.
b. Of various structures, as a tooth, leaf, etc.: also absol. or as n. a tricuspid tooth.
ΘΚΠ
the world > space > shape > fact or condition of tapering > condition of tapering to a point > [adjective] > having (a) point(s) > specific number of
tricuspidate1752
three-pointed1797
one-pointed1811
tricuspidated1822
tricuspidal1834
bicuspid1836
bicuspidate1847
tricuspid1849
1849 Florist 212 There is something very striking..about their tricuspid petals, and quaint, lively markings.
1856 S. P. Woodward Man. Mollusca iii. 448 The central teeth are..tricuspid in Loligo.
1881 J. Anderson Scotl. in Early Christian Times iii. 130 In the West Highland crosses they are..terminated by a peculiar conventional, tricuspid leaf.
Derivatives
triˈcuspidal adj.
ΘΚΠ
the world > space > shape > fact or condition of tapering > condition of tapering to a point > [adjective] > having (a) point(s) > specific number of
tricuspidate1752
three-pointed1797
one-pointed1811
tricuspidated1822
tricuspidal1834
bicuspid1836
bicuspidate1847
tricuspid1849
1834 S. Cooper Good's Study Med. (ed. 4) I. 520 The tricuspidal valve, with the..sigmoid valve of the pulmonary artery..never exhibit bony deposits.
1873 G. Salmon Treat. Higher Plane Curves (ed. 2) vi. 245 The quartic is tricuspidal.
triˈcuspidate adj.
ΘΚΠ
the world > space > shape > fact or condition of tapering > condition of tapering to a point > [adjective] > having (a) point(s) > specific number of
tricuspidate1752
three-pointed1797
one-pointed1811
tricuspidated1822
tricuspidal1834
bicuspid1836
bicuspidate1847
tricuspid1849
1752 J. Hill Gen. Nat. Hist. III. 11 The Brachionus, with..a tricuspidate tail.
1881 Baker in Jrnl. Linn. Soc. XVIII. 280 Stigma capitate, obscurely tricuspidate.
triˈcuspidated adj.
ΘΚΠ
the world > space > shape > fact or condition of tapering > condition of tapering to a point > [adjective] > having (a) point(s) > specific number of
tricuspidate1752
three-pointed1797
one-pointed1811
tricuspidated1822
tricuspidal1834
bicuspid1836
bicuspidate1847
tricuspid1849
1822 J. Parkinson Outl. Oryctol. 197 An inequivalved..shell; tricuspidated at the base.
1822 J. Parkinson Outl. Oryctol. 275 Teeth of cartilaginous fishes..triangular, conical, single pointed, tricuspidated, tridentated.
This entry has not yet been fully updated (first published 1914; most recently modified version published online March 2022).
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adj.n.1671